Harrison Corporation is an oll well service company that measures its output by the number of wells serviced. The company has provided the following fixed and variable cost estimates that it uses for budgeting purposes and the actual results of operations for March Fixed Variable Cost Cost per Month per Hell Serviced Revenue Employee salaries and wages $50,300 Servicing materials $ 700 $31,600 Other expenses $5,700 $1,200 Actual Total for March $145,100 $ 79,300 $ 12,200 $ 31,400 When the company prepared its planning budget at the beginning of March, it assumed that 23 well woukt have been serviced. However 25 wells were actually serviced during March The activity variance for "Other expenses" for March would have been closest to